From 35876eaab991efc7759802f184cdd54663ea8a94 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicm@openbsd.org>
Date: Mon, 1 Jun 2009 22:58:49 +0000
Subject: Import tmux, a terminal multiplexor allowing (among other things) a
 single terminal to be switched between several different windows and programs
 displayed on one terminal be detached from one terminal and moved to another.

ok deraadt pirofti
---
 cmd-list.c | 154 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 154 insertions(+)
 create mode 100644 cmd-list.c

(limited to 'cmd-list.c')

diff --git a/cmd-list.c b/cmd-list.c
new file mode 100644
index 00000000..ffc8f1ee
--- /dev/null
+++ b/cmd-list.c
@@ -0,0 +1,154 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+
+#include <string.h>
+
+#include "tmux.h"
+
+struct cmd_list *
+cmd_list_parse(int argc, char **argv, char **cause)
+{
+	struct cmd_list	*cmdlist;
+	struct cmd	*cmd;
+	int		 i, lastsplit;
+	size_t		 arglen, new_argc;
+	char	       **new_argv;
+
+	cmdlist = xmalloc(sizeof *cmdlist);
+	TAILQ_INIT(cmdlist);
+
+	lastsplit = 0;
+	for (i = 0; i < argc; i++) {
+		arglen = strlen(argv[i]);
+		if (arglen == 0 || argv[i][arglen - 1] != ';')
+			continue;
+		argv[i][arglen - 1] = '\0';
+
+		if (arglen > 1 && argv[i][arglen - 2] == '\\') {
+			argv[i][arglen - 2] = ';';
+			continue;
+		}
+
+		new_argc = i - lastsplit;
+		new_argv = argv + lastsplit;
+		if (arglen != 1)
+			new_argc++;
+
+		cmd = cmd_parse(new_argc, new_argv, cause);
+		if (cmd == NULL)
+			goto bad;
+		TAILQ_INSERT_TAIL(cmdlist, cmd, qentry);
+
+		lastsplit = i + 1;
+	}
+
+	if (lastsplit != argc) {
+		cmd = cmd_parse(argc - lastsplit, argv + lastsplit, cause);
+		if (cmd == NULL)
+			goto bad;
+		TAILQ_INSERT_TAIL(cmdlist, cmd, qentry);
+	}
+
+	return (cmdlist);
+
+bad:
+	cmd_list_free(cmdlist);
+	return (NULL);
+}
+
+int
+cmd_list_exec(struct cmd_list *cmdlist, struct cmd_ctx *ctx)
+{
+	struct cmd	*cmd;
+	int		 n;
+
+	TAILQ_FOREACH(cmd, cmdlist, qentry) {
+		if ((n = cmd_exec(cmd, ctx)) != 0)
+			return (n);
+	}
+	return (0);
+}
+
+void
+cmd_list_send(struct cmd_list *cmdlist, struct buffer *b)
+{
+	struct cmd	*cmd;
+	u_int		 n;
+
+	n = 0;
+	TAILQ_FOREACH(cmd, cmdlist, qentry)
+	    	n++;
+
+	buffer_write(b, &n, sizeof n);
+	TAILQ_FOREACH(cmd, cmdlist, qentry)
+	    	cmd_send(cmd, b);
+}
+
+struct cmd_list *
+cmd_list_recv(struct buffer *b)
+{
+	struct cmd_list	*cmdlist;
+	struct cmd	*cmd;
+	u_int		 n;
+
+	buffer_read(b, &n, sizeof n);
+
+	cmdlist = xmalloc(sizeof *cmdlist);
+	TAILQ_INIT(cmdlist);
+
+	while (n-- > 0) {
+		cmd = cmd_recv(b);
+		TAILQ_INSERT_TAIL(cmdlist, cmd, qentry);
+	}
+
+	return (cmdlist);
+}
+
+void
+cmd_list_free(struct cmd_list *cmdlist)
+{
+	struct cmd	*cmd;
+
+	while (!TAILQ_EMPTY(cmdlist)) {
+		cmd = TAILQ_FIRST(cmdlist);
+		TAILQ_REMOVE(cmdlist, cmd, qentry);
+		cmd_free(cmd);
+	}
+	xfree(cmdlist);
+}
+
+size_t
+cmd_list_print(struct cmd_list *cmdlist, char *buf, size_t len)
+{
+	struct cmd	*cmd;
+	size_t		 off;
+
+	off = 0;
+	TAILQ_FOREACH(cmd, cmdlist, qentry) {
+		if (off >= len)
+			break;
+		off += cmd_print(cmd, buf + off, len - off);
+		if (off >= len)
+			break;
+		if (TAILQ_NEXT(cmd, qentry) != NULL)
+			off += xsnprintf(buf + off, len - off, " ; ");
+	}
+	return (off);
+}
-- 
cgit